201201211021202 has 24 divisors (see below), whose sum is σ = 351372852454860. Its totient is φ = 86156076763680.

The previous prime is 201201211021201. The next prime is 201201211021243. The reversal of 201201211021202 is 202120112102102.

It can be written as a sum of positive squares in 2 ways, for example, as 161510064412921 + 39691146608281 = 12708661^2 + 6300091^2 .

It is not an unprimeable number, because it can be changed into a prime (201201211021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869094077 + ... + 869325552.

Almost surely, 2^{201201211021202} is an apocalyptic number.

201201211021202 is a deficient number, since it is larger than the sum of its proper divisors (150171641433658).

201201211021202 is a wasteful number, since it uses less digits than its factorization.

201201211021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738420826 (or 1738420819 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201201211021202 its reverse (202120112102102), we get a palindrome (403321323123304).

The spelling of 201201211021202 in words is "two hundred one trillion, two hundred one billion, two hundred eleven million, twenty-one thousand, two hundred two".